Safety-signal for automobiles.



H. F. GREENUP. SAFETY SIGNAL FOR AUTOMOBILES.

APPLICATION FILED SEPT. 23. 1915.

Patenied June 13, 1916.

radioed? v m i n n o Jlhh. El? o l fian SAFETY-SIGWAL FOR AUTQMGBIL'ES.

.peoificetion of Letters Patent.

Patented June 13, 191$.

Application filed September 23, 1915. Serial No. 523,258.

To ail whom it may conceive:

lie it known that I, HARRISON F. Gnnnnor, a, citizen of the United States, residing at wvithin which is mounted an electric illuminetor -ll The case --c has its front end closed by a magnifying glass plate c', and intermediate the -(l--and the said plate 15 a metallic disk )resses his foot a ainst the lever -ato a I t 7 lorlrn the latter to the osmon Indicated l) ill 11 minator" Pawtuxet, in the county of Kent and State f which issecured to the case and has 5 oF ldiodc lshmd, have invented certain new its stock out through to form'the letters of and useful ln'iprovemen'ts in Emfety-Signals the word stop.. The lamp is mounted on a for Automobiles, of which the :liollowing is a suitable support g secured on the rear sperificatirm. part -L) of the chassis. Beneath the This invention lrelates to an improved chassis is located the controller -iv-, which lo means adapted to lie-mounted on automobiles consists of the horizontel tube of for automatically illun'iinating a signal. lamp fiber or other suitable material which is 21 carried at the rear thereof, at the time of non-conductor of electric current, and metal makin a turn or a, slowing down of the car, caps -71", it are secured to and close the in order to Warn drivers of vehicles followends of said tube. A piston. c'- is movahle 70 5 log and thereby to prevent rear end colliin one portion of the tube if" and is fast sion. on arod -11 which passes through the cap 'lleretofore it was thecommon practice for -k An expanding coil spring j has the driver of a car when slowing down to :1 its ends bearing against the cap h 'and pisi stop or in making a turn, to throw out his toni- The rod -i has a pin 7 20 hand as a Warning); Sign to the driver of the to form a stop in limiting the extent of incar following, and such mode of Warning -Ward movement of the piston The often results in rear end collisions and theretube ]L has also a secondary piston lag causing serious personal injury and doom fast on a rod -Z:" which passe age to the care. through the cop -71, and said rod has a 89 25 The aim of my invention is to guard forked-shaped part --7*: mode to receive a against such. accidental encounter between suitable clamp connection L- with' the the vehicles. brake-rod a*-. The illuminator -cl invention consists of a signal lamp and pistons -41 it receive electric current havoc. electric connection With a controller, from a con'u'non storage battery as -4z 35 no def" ed to be actuated by the usual pressercarried by the car. I

foot aver connection with the brokered of From the electrode of. the illuminate]: the car. -tZ- a Wire p-- leads to a binding post ln the accompanying sheet of drawings, at one end-"of the battery, and from a loindwherein like reference characters indicate ing post at the other end-of the battery it like parts, l igure 1 is a partial side elevation a Wire p leads therefrom and is connectof the ehassisof an automobile, showing the ed to the free end of the piston-rod application of my invention thereto. Fig. 2 From the free end of the piston-rod 5 a, is a central longitudinal section of the signal Wire -'p leads to the electrode of the illulamp. Fl 3 is a, front end view of the latminator ed. i v ter. 4 is a sectional elevation. of the The controller -72,- is mounted on supelectric controller for the lamp, and illusports -ssecured to and beneath the trating its connection With the braked-0d of chassis b. the car, in the relative position of parts as In order to prevent the current passing when the current is of? the lamp Fig. 5 is a through the brake-rod -athe bottom of 45 similar view showing the position the parts the forked part of the piston-rod -7c is ossui'ne to impart the signal by the lamp. provided with a tubular member -t-, of

In the drawings odesignates the suitable non-conductor material. prosser-iioot lever connection with the hreke- The pistons Zcare of metal capable rod ---c which leads to the friction hand of receiving a maximum amount of electric 165 50 surroun ding; the rear axle -a of on autocurrent, 1nd normally these p stons are sepamobi e. G11thereorofthechnssis--i5, 5 43 rated, as in the position of shown a si cal lamp -c-- which consists of a hori Fig. 4. Zoinel li dricsl case --c having; a reurl hen the driver of the car desires to give wardly ending cone-shaped portion a Warning signal to the reel he simply dotted linesin Fig. 1, thus throwing on the I V the latter, an electric wire leading from the stem of said piston to the illuminator, a sec.

of the sig al word P,- t e'tim bf piston and making lighting comiection 1 therefrom, a battery to maintain a constant brake and simultaneously forcing the piston -70; into'chargeable contact with the with theilluminator In order to furtherincrease the brilliancyi'j lighting, the-interior-of the wall of. the case surrounding theilluminator may be coated. over with'white enamel, as i-s obvious. I Having described my invention What I claim anddesirelto secure by Letterslat-fi In combinationf vvith the presser-ifoot con;

nectionwiththe brake-rod of an automobile, j

a lamp adapted to be mounted at the reanof themar and inclosing an integral disk whose 5 stock is cut through to'form a signal word,

and, said lamp having an illuminator-- 0aclarof the disl z, a controller} inclosing a springpressed piston and a stem connection from ondary piston having a stem connection current to the free end of the stern of said secondary piston and to the illliminator, .meansto secure the stem of said secondarycpiston 'to the brake-rod, whereby Working action of the latter brings the said secondary piston into forciblecontact -,with'the' said first mentioned piston and making electric circuit to illuminate .thesignal, substantially asset forth." y

In testimony whereof I afii'x niy'signature in presence of two witnesses.

HARRISON F. GREENUP.

' VVitnesses:

DnNcAN W. Ross, Pn'rnn CLOnnnorr. 

